I love the dragonflies, and I also think it would look great with the blocks alternating with a different block, to break it up, and add depth and dimension...
Here is an idea I found that is pretty, maybe a take on it if you decide to do another pattern and not a blank square to alternate; it is from emsewandsew.blogspot.com:
http://3.bp.blogspot.com/_pgGd8vKz5Q...ragonflies.jpg